<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        ul li {
            list-style: none;
            width: 200px;
            height: 100px;
            text-align: center;
            line-height: 100px;
        }

        .item1 {
            background-color: rgb(225, 108, 57);
        }

        .item2 {
            background-color: rgb(67, 220, 143);
        }

        .item3 {
            background-color: rgb(83, 192, 238);
        }

        .item4 {
            background-color: rgb(222, 222, 6);
        }

        .item5 {
            background-color: rgb(209, 9, 209);
        }


        ul {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 700px;
            display: flex;
            /* flex-direction: row; */
            /* justify-content: space-between; */
            /* align-items: center; */
            /* flex-wrap: wrap; */
            flex-flow: row wrap;
            align-content: flex-start;
        }
    </style>
</head>

<body>
    <ul>
        <li class="item1">1</li>
        <li class="item2">2</li>
        <li class="item3">3</li>
        <li class="item4">4</li>
        <li class="item5">5</li>
    </ul>
</body>

</html>